Tanzanite and Indicolite Blue Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
3.35
3.05-3.11
Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Not Available
Cleavage
Perfect {010}, imperfect {100}
Not Available
Mohs Hardness
6.5-7
7-7.5
Chemical Composition
Ca2Al3(SiO4)3(OH)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Tanzanite and Indicolite Blue Tourmaline Chemical Formula
While comparing Tanzanite and Indicolite Blue Tourmaline physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Tanzanite and Indicolite Blue Tourmaline chemical formula.
- Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
- Chemical formula of Indicolite Blue Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Tanzanite and Indicolite Blue Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tanzanite and Indicolite Blue Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Indicolite Blue Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.05-3.11 whereas that of Indicolite Blue Tourmaline is 3.05-3.11.